| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 | |
| #2 | United Kingdom | 2 | |
| #3 | Austria | 1 | |
| #4 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Machine tools | |
| #3 | Thermal processes | |
| #4 | Electrical machinery and energy | |
| #5 | Engines, pumps and turbines | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Soldering, welding and flame cutting | |
| #3 | Non-metallic elements | |
| #4 | Fire-fighting | |
| #5 | Incandescent mantles | |
| #6 | Starting of combustion engines | |
| #7 | Building materials |
| Publication | Filing date | Title |
|---|---|---|
| GB190411172A | Improvements in the Manufacture of Oxygen. | |
| GB189720668A | Means for Preventing Danger from Explosion in Vessels Charged with Explosives. |